
•Revenue and earnings at the high-end of Q3 guidance•Revenue of $769 million in Q3'25, up 4% from Q3'24•Semiconductor Test drove better than expected Q3'25 results•Strong AI-related demand in Compute and Memory expected to grow in Q4'25 NORTH READING, Mass.–October 28, 2025–Teradyne, Inc. (NASDAQ: TER) reported revenue of $769million for the third quarter of 2025 of which $606 million was in Semiconductor Test, $88 million in Product Test,and $75 million in Robotics. GAAP net income for the third quarter of 2025 was $119.6 million, or $0.75 perdiluted share. On a non-GAAP basis, Teradyne’s net income for the third quarter of 2025 was $135.9 million, or$0.85 per diluted share, which excluded acquired intangible asset amortization, restructuring and other charges,pension mark-to-marketadjustment, and included the related tax impact on non-GAAP adjustment. “OurSemiconductor Test Groupdelivered third quarter sales that exceeded expectations, driving company sales andprofit to the high end of our Q3 guidance range,” said Teradyne CEO,Greg Smith.“Growth was driven primarily bySystem-on-a-Chip (SOC) solutions for artificial intelligence applications and strong performance in memory. As welook ahead to Q4, AI-related test demand remains robust across compute, networking and memory segments. Q4'25sales are expected to increase 25% sequentially and 27% fromQ4'24." Guidance for the fourth quarter of 2025 is revenue of $920 million to $1,000 million, with GAAP net income of$1.12 to $1.39 per diluted share and non-GAAP net income of $1.20 to $1.46 per diluted share. Non-GAAPguidance excludes acquired intangible assetamortization and amortization on our investment in Technoprobe, aswell as the related tax impact on non-GAAP adjustments. Webcast A conference call to discuss the third quarter results, along with management’s business outlook, will follow at 8:30a.m. ET, October 29, 2025. Interested investors should access the webcast atwww.teradyne.comand click on"Investors" at least five minutes before the call begins. Presentation materials will be available starting at 7:30 a.m.ET. A replay will be available on the Teradyne website atwww.teradyne.com/investors. Non-GAAP Results In addition to disclosing results that are determined in accordance with GAAP, Teradyne also discloses non-GAAPresults of operations that exclude certain income items and charges. These results are provided as a complement toresults provided in accordance with GAAP. Non-GAAP income from operations and non-GAAP net income excludeacquired intangible assets amortization, restructuring and other, ERP related expenses, inventory step-up, pensionmark-to-market adjustment, pension actuarial gains and losses, discrete income tax adjustments, and includes therelated tax impact on non-GAAP adjustments. GAAP requires that these items be included in determining incomefrom operations and net income. Non-GAAP income from operations, non-GAAP net income, non-GAAP incomefrom operations as a percentage of revenue, non-GAAP net income as a percentage of revenue, and non-GAAP netincome per share are non-GAAP performance measures presented to provide meaningful supplemental informationregarding Teradyne’s baseline performance before gains, losses or other charges that may not be indicative ofTeradyne’s current core business or future outlook. These non-GAAP performance measures are used to makeoperational decisions, to determine employee compensation, to forecast future operational results, and forcomparison with Teradyne’s business plan, historical operating results and the operating results of Teradyne’scompetitors. Non-GAAP diluted shares include the impact of Teradyne’s call option on its shares. Managementbelieves each of these non-GAAP performance measures provides useful supplemental information for investors,allowing greater transparency to the information used by management in its operational decision making and in thereview of Teradyne’s financial and operational performance, as well as facilitating meaningful comparisons ofTeradyne’s results in the current period compared with those in prior and future periods. A reconciliation of eachavailable GAAP to non-GAAP financial measure discussed in this press release is contained in the attached exhibitsand on the Teradyne website at www.teradyne.com by clicking on “Investor Relations” and then selecting“Financials” and the “GAAP to Non-GAAP Reconciliation” link. The non-GAAP performance measures discussedinthis press release may not be comparable to similarly titled measures used by other companies. The presentationof non-GAAP measures is not meant to be considered in isolation, as a substitute for, or superior to, financialmeasures or information providedin accordance with GAAP. About Teradyne Teradyne (NASDAQ:TER) designs, develops, and manufactures automated test equipment and advanced roboticssystems. Its test solutions for semiconductors and electronics products enable Teradyne's customers to cons